Rekensommen met eraf tot 100

Erafsommen
1.
75
–
35
=
2.
95
–
95
=
3.
90
–
20
=
4.
20
–
15
=
5.
10
–
10
=
6.
10
–
5
=
7.
65
–
65
=
8.
90
–
50
=
9.
70
–
55
=
10.
100
–
25
=
11.
70
–
40
=
12.
90
–
0
=
13.
70
–
55
=
14.
95
–
55
=
15.
50
–
50
=
16.
50
–
45
=
17.
60
–
40
=
18.
95
–
90
=
19.
5
–
5
=
20.
45
–
15
=
21.
50
–
50
=
22.
85
–
25
=
23.
95
–
15
=
24.
90
–
45
=
25.
60
–
60
=
26.
95
–
35
=
27.
55
–
35
=
28.
90
–
10
=
29.
40
–
25
=
30.
35
–
35
=
31.
5
–
5
=
32.
20
–
0
=
33.
40
–
30
=
34.
95
–
15
=
35.
45
–
40
=
36.
35
–
35
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
75
–
35
=
40
2.
95
–
95
=
0
3.
90
–
20
=
70
4.
20
–
15
=
5
5.
10
–
10
=
0
6.
10
–
5
=
5
7.
65
–
65
=
0
8.
90
–
50
=
40
9.
70
–
55
=
15
10.
100
–
25
=
75
11.
70
–
40
=
30
12.
90
–
0
=
90
13.
70
–
55
=
15
14.
95
–
55
=
40
15.
50
–
50
=
0
16.
50
–
45
=
5
17.
60
–
40
=
20
18.
95
–
90
=
5
19.
5
–
5
=
0
20.
45
–
15
=
30
21.
50
–
50
=
0
22.
85
–
25
=
60
23.
95
–
15
=
80
24.
90
–
45
=
45
25.
60
–
60
=
0
26.
95
–
35
=
60
27.
55
–
35
=
20
28.
90
–
10
=
80
29.
40
–
25
=
15
30.
35
–
35
=
0
31.
5
–
5
=
0
32.
20
–
0
=
20
33.
40
–
30
=
10
34.
95
–
15
=
80
35.
45
–
40
=
5
36.
35
–
35
=
0
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen